1 files changed, 1 insertions, 0 deletions

diff --git a/language-web/build.gradle b/language-web/build.gradle
index 970db115..6aaf546b 100644
--- a/language-web/build.gradle
+++ b/language-web/build.gradle
@@ -14,6 +14,7 @@ dependencies {
         implementation "org.slf4j:log4j-over-slf4j:${slf4JVersion}"
         testImplementation testFixtures(project(':refinery-language'))
         testImplementation "org.eclipse.xtext:org.eclipse.xtext.testing:${xtextVersion}"
+        testImplementation "org.eclipse.jetty.websocket:websocket-jetty-client:${jettyVersion}"
 }
 
 def generateXtextLanguage = project(':refinery-language').tasks.named('generateXtextLanguage')